KR20080057742A - Circuit for driving grill heater of a microwave oven - Google Patents

Circuit for driving grill heater of a microwave oven Download PDF

Info

Publication number
KR20080057742A
KR20080057742A KR1020060131372A KR20060131372A KR20080057742A KR 20080057742 A KR20080057742 A KR 20080057742A KR 1020060131372 A KR1020060131372 A KR 1020060131372A KR 20060131372 A KR20060131372 A KR 20060131372A KR 20080057742 A KR20080057742 A KR 20080057742A
Authority
KR
South Korea
Prior art keywords
thermostat
grill heater
grill
heater
turned
Prior art date
Application number
KR1020060131372A
Other languages
Korean (ko)
Inventor
나종혁
Original Assignee
주식회사 대우일렉트로닉스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 대우일렉트로닉스 filed Critical 주식회사 대우일렉트로닉스
Priority to KR1020060131372A priority Critical patent/KR20080057742A/en
Publication of KR20080057742A publication Critical patent/KR20080057742A/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • H05B1/0258—For cooking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C1/00—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified
    • F24C1/02—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply
    • F24C1/04—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/02—Stoves or ranges heated by electric energy using microwaves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/04—Stoves or ranges heated by electric energy with heat radiated directly from the heating element
    • F24C7/043—Stoves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F24C7/062—Arrangement or mounting of electric heating elements on stoves
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/647—Aspects related to microwave heating combined with other heating techniques
    • H05B6/6482—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Food Science & Technology (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

A circuit for driving a grill heater of a microwave oven is provided to prevent a fire due to overheat by connecting two grill heaters in series or in parallel. A circuit for driving a grill heater of a microwave oven includes first and second grill heaters(110,120) and first to third thermostats(Th1-Th3). The first and second grill heaters increase an inner temperature through power by connecting both sides thereof to each other. The first thermostat is connected between the first and second grill heaters and connects the first and second grill heaters in series or in parallel by being turned on/off according to the inner temperature. One side of the second thermostat is connected to the power and the other side thereof is connected to the first grill heater to turn on/off the second thermostat according to the inner temperature. One side of the third thermostat is connected to the power and the other side thereof is connected to the first grill heater at an opposite side to the second thermostat to turn on/off the third thermostat according to the inside temperature.

Description

전자레인지의 그릴히터 구동회로{Circuit for driving grill heater of a microwave oven}Circuit for driving grill heater of a microwave oven

도 1 은 종래의 전자레인지 그릴히터 구동회로도.1 is a conventional microwave grill heater driving circuit diagram.

도 2 는 본 발명의 실시예에 따른 전자레인지 그릴히터 구동회로도.2 is a microwave grill heater driving circuit according to an embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

110: 제1그릴히터110: first grill heater

120: 제2그릴히터120: second grill heater

Th1: 제1써모스탯Th1: 1st thermostat

Th2: 제2써모스탯Th2: Second Thermostat

Th3: 제3써모스탯Th3: 3rd Thermostat

본 발명은 전자레인지에 관한 것으로서, 더욱 상세하게는 전자레인지의 상히 터에 장착되는 그릴히터를 구동시키는 전자레인지 그릴히터 구동회로에 관한 것이다.The present invention relates to a microwave oven, and more particularly to a microwave grill heater driving circuit for driving a grill heater mounted on the upper heater of the microwave oven.

전자레인지는 전류의 공급에 의해 마이크로 웨이브를 발생시키고, 이러한 마이크로웨이브를 가열대상물에 조사하는 것에 의하여 가열대상물을 가열하는 장치이다. A microwave oven is a device which generates a microwave by supply of electric current, and heats a heating object by irradiating a microwave to this heating object.

종래 전자레인지는 마이크로웨이브를 조리실로 공급하여 가열대상물에 조사하는 것에 의한 가열방식이 가장 기본적이다. In the conventional microwave oven, a heating method by supplying microwaves to a cooking chamber and irradiating a heating object is the most basic.

그리고, 이러한 마이크로웨이브에 의한 가열방식은 마이크로 웨이브에 의한 단일 가열 특성 밖에 가질 수 없기 때문에, 최근의 전자레인지에는 내부에 또 하나의 가열원으로 히터를 내장시키고 있다.In addition, since the microwave heating method has only a single heating characteristic by microwaves, recent microwave ovens incorporate a heater as another heating source therein.

이러한 보조가열기구의 하나인 히터에는 히터에 의해 가열된 뜨거운 공기가 대류에 의해 조리실 내부로 유입되어 조리대상을 가열하는 컨벡션히터와, 히터가 가열되어 방사하는 열선이 복사에 의해 조리대상에 조사되어 가열이 이루어지는 그릴히터가 있다.The heater, which is one of the auxiliary heating mechanisms, includes a convection heater in which hot air heated by the heater is introduced into the cooking chamber by convection to heat the cooking object, and a heating wire radiated by the heater to the cooking object by radiation. There is a grill heater where the heating takes place.

특히, 전자레인지에 사용되는 그릴히터에는 미라클론 히터나 석영히터가 장착되는데, 통상 그릴히터의 연결방식은 도 1 에 도시된 바와 같이 230V 전원에서 2개의 115V 그릴히터(110,120)가 직렬로 연결되었다.In particular, a grill heater used in a microwave oven is equipped with a miraclelon heater or a quartz heater. In general, the grill heater is connected to two 115V grill heaters 110 and 120 in series at a 230V power supply as shown in FIG. .

하지만, 2개의 그릴히터를 직렬로 연결하는 경우엔, 장시간 동작시 과열의 소지가 있으며 화재 발생의 원인이 되는 문제점이 있었다.However, when two grill heaters are connected in series, there is a problem of overheating during long time operation and a fire.

본 발명은 전술한 문제점을 개선하기 위해 창안된 것으로서, 고내온도에 따라 온/오프되는 서모스태트를 2개의 그릴히터에 다수개 연결하여 고내온도에 따라 그릴히터가 직렬 또는 병렬로 반복되게 연결되도록 한 전자레인지 그릴히터 구동회로를 제공하는 데 그 목적이 있다. The present invention was devised to improve the above-mentioned problems, and a plurality of thermostats turned on / off according to the high temperature may be connected to two grill heaters so that the grill heaters are repeatedly connected in series or in parallel according to the high temperature. It is an object of the present invention to provide a microwave grill heater driving circuit.

본 발명의 다른 목적은 2개의 그릴히터를 직렬 또는 병렬로 연결하여 과열 발생에 따른 화재 위험을 감소시키는 데 있다. Another object of the present invention is to reduce the risk of fire due to overheating by connecting two grill heaters in series or in parallel.

전술한 목적을 달성하기 위해 창안된 본 발명의 구성은 다음과 같다. 본 발명의 전자레인지 그릴히터 구동회로는 양측이 서로 연결되어 전원에 의해 고내온도를 상승시키는 제1그릴히터와 제2그릴히터, 상기 제1그릴히터와 제2그릴히터 사이에 연결되고 고내온도에 따라 온/오프되어 상기 제1그릴히터와 제2그릴히터가 직렬 또는 병렬로 연결되도록 하는 제1서모스태트, 일측이 상기 전원에 연결되고 타측이 상기 제1그릴히터에 연결되어 고내온도에 따라 온/오프되는 제2서모스태트, 및 일측이 상기 전원에 연결되고 타측이 상기 제1그릴히터의 상기 제2서모스태트 반대측에 연결되어 고내온도에 따라 온/오프되는 제3서모스태트를 포함하는 것을 특징으로 한다.The present invention devised to achieve the above object is as follows. The microwave grill heater driving circuit of the present invention is connected between the first grill heater and the second grill heater, the first grill heater and the second grill heater, which are connected to each other and increase the internal temperature by the power supply, According to the internal temperature of the first thermostat, which is connected to the power supply and the other side is connected to the first grill heater so that the first grill heater and the second grill heater are connected in series or in parallel. A second thermostat on / off, and a third thermostat on one side of which is connected to the power supply and the other side of which is connected to the opposite side of the second thermostat of the first grill heater to be turned on / off according to a high internal temperature. It is characterized by including.

상기 제1서모스태트가 온되면 상기 제1서모스태트와 제3서모스태트는 오프되는 것을 특징으로 한다.When the first thermostat is turned on, the first thermostat and the third thermostat are turned off.

상기 제2서모스태트가 오프되면 상기 제1서모스태트와 제3서모스태트는 온되는 것을 특징으로 한다.When the second thermostat is off, the first thermostat and the third thermostat are on.

상기 제1서모스태트와 제3서모스태는 동일한 고내온도에서 온/오프되는 것을 특징으로 한다.The first thermostat and the third thermostat are on / off at the same internal temperature.

이하에서는 본 발명의 실시예를 첨부된 도면을 참조하여 상세하게 설명한다. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 는 본 발명의 실시예에 따른 전자레인지 그릴히터 구동회로도이다. 2 is a microwave grill heater driving circuit diagram according to an embodiment of the present invention.

본 발명의 실시예에 따른 전자레인지 그릴히터 구동회로는 도 2 에 도시된 바와 같이, 제1그릴히터(110)와 제2그릴히터(120), 및 고내온도에 따라 온/오프되는 3개의 서모스태트(Thermostat)를 구비한다. As shown in FIG. 2, the microwave grill heater driving circuit according to an embodiment of the present invention includes three first grill heaters 110, a second grill heater 120, and three standing on / off according to a high internal temperature. It is equipped with Moststat.

즉, 본 발명의 실시예에 따른 전자레인지 그릴히터 구동회로는 230V 전원에 115V의 제1그릴히터(110)와 제2그릴히터(120)가 연결되는데, 제1그릴히터(110)와 제2그릴히터(120)의 양측이 서로 연결되는데, 일측엔 제1서모스태트(Th1)가 제1그릴히터(110)와 제2그릴히터(120)에 연결되어 제1그릴히터(110)와 제2그릴히터(120)가 직렬 또는 병렬로 연결되도록 한다.That is, in the microwave grill heater driving circuit according to the embodiment of the present invention, the first grill heater 110 and the second grill heater 120 of 115V are connected to the 230V power source, and the first grill heater 110 and the second grill heater 120 are connected to each other. Both sides of the grill heater 120 are connected to each other, one side of the first thermostat (Th1) is connected to the first grill heater 110 and the second grill heater 120 is the first grill heater 110 and the first The grill heater 120 is connected in series or in parallel.

즉, 제1서모스태트(Thermostat)(Th1)는 양측이 제1그릴히터(110)와 제2그릴히터(120)에 각각 연결되어 고내온도에 따라 온/오프됨으로써, 제1그릴히터(110)와 제2그릴히터(120)가 직렬 또는 병렬로 연결되도록 한다. That is, the first thermostat Th1 has both sides connected to the first grill heater 110 and the second grill heater 120 and turned on / off according to the internal temperature, thereby allowing the first grill heater 110 to operate. ) And the second grill heater 120 are connected in series or in parallel.

제2서모스탯(Th2)은 일측이 전원과 연결되고 타측이 제1그릴히터(110)에 연결되어 제1그릴히터(110)와 제2그릴히터(120)에 전원이 공급되도록 한다.The second thermostat (Th2) is connected to the power supply on one side and the other side is connected to the first grill heater 110 so that power is supplied to the first grill heater 110 and the second grill heater 120.

제3서모스태트(Th3)는 제2서모스태트(Th2)와 병렬로 배치되어 일측이 전원과 연결되고 타측이 제1그릴히터(110)의 제2서모스태트(Th2) 반대측에 연결되어 제1그릴히터(110)와 제2그릴히터(120)에 전원이 공급되도록 한다.The third thermostat Th3 is disposed in parallel with the second thermostat Th2 so that one side is connected to a power source and the other side is connected to the opposite side of the second thermostat Th2 of the first grill heater 110. Power is supplied to the first grill heater 110 and the second grill heater 120.

따라서, 제2서모스태트(Th2)가 온되고 제1서모스태트(Th1)와 제3서모스태트(Th3)가 오프되면, 제1그릴히터(110)와 제2그릴히터(120)는 직렬로 연결되고, 제2서모스태트(Th2)가 오프되고 제1서모스태트(Th1)와 제3서모스태트(Th3)가 온되면 제1그릴히터(110)와 제2그릴히터(120)는 병렬로 연결된다.Therefore, when the second thermostat Th2 is turned on and the first thermostat Th1 and the third thermostat Th3 are turned off, the first grill heater 110 and the second grill heater 120 are turned off. When connected in series, the second thermostat Th2 is turned off, and the first thermostat Th1 and the third thermostat Th3 are turned on, the first grill heater 110 and the second grill heater 120 are connected to each other. ) Are connected in parallel.

이러한 구성에서 있어서, 본 발명의 실시예는 고내온도에 따라 상기한 제1서모스태트(Th2)와 제2,3서모스태트(Th2,Th3)를 온/오프시키고 이에 따라 제1그릴히터(110)와 제2그릴히터(120)가 직렬과 병렬로 반복 연결되어 고내온도가 소정의 온도범위 내에서 유지되도록 한다.In this configuration, the embodiment of the present invention turns on / off the first thermostat Th2 and the second and third thermostats Th2 and Th3 according to the internal temperature of the first grill heater (Th2, Th3). 110 and the second grill heater 120 is repeatedly connected in series and in parallel so that the internal temperature is maintained within a predetermined temperature range.

즉, 고내온도가 설정온도 미만이면, 제2서모스태트(Th2)가 오프되고 제1서모스태트(Th1)와 제3서모스태트(Th3)가 온되어 제1그릴히터(110)와 제2그릴히터(120)는 병렬로 연결된다.That is, when the internal temperature is lower than the set temperature, the second thermostat Th2 is turned off, and the first thermostat Th1 and the third thermostat Th3 are turned on, so that the first grill heater 110 and the first thermostat are turned on. Two grill heaters 120 are connected in parallel.

한편, 상기한 병렬연결에 따라 고내온도가 설정온도 이상이 되면, 제2서모스태트(Th2)가 온되고 제1서모스태트(Th1)와 제3서모스태트(Th3)가 오프되어 제1그릴히터(110)와 제2그릴히터(120)가 직렬로 연결된다.On the other hand, when the internal temperature is higher than the set temperature according to the parallel connection described above, the second thermostat Th2 is turned on, and the first thermostat Th1 and the third thermostat Th3 are turned off to make the first temperature. The grill heater 110 and the second grill heater 120 are connected in series.

여기서, 제1서모스태트(Th1)와 제3서모스태트(Th3)는 동일한 고내온도에 온/오프된다.Here, the first thermostat Th1 and the third thermostat Th3 are turned on / off at the same internal temperature.

따라서, 고내온도의 변화에 따라서 제2서모스태트(Th2)와 제1,3서모스태트 (Th1,Th3)가 반복적으로 온/오프되고, 이에 따라 제1그릴히터(110)와 제2그릴히터(120)의 직렬연결과 병렬연결이 반복적으로 이루어져 고내온도가 소정의 온도범위 내에서 유지되도록 함과 더불어 그릴히터 과열에 의한 화재 위험을 예방할 수 있다.Therefore, the second thermostat Th2 and the first and third thermostats Th1 and Th3 are repeatedly turned on and off according to the change in the internal temperature, and thus the first grill heater 110 and the second grill are turned on. The series connection and parallel connection of the heater 120 are repeatedly performed to maintain the high temperature inside the predetermined temperature range and to prevent the risk of fire due to the overheating of the grill heater.

본 발명은 전술한 실시예에 국한되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수 있다.The present invention is not limited to the above-described embodiments and can be carried out in various modifications within the scope of the technical idea of the present invention.

이와 같이 구성되는 본 발명에 따르면, 고내온도에 따라 온/오프되는 서모스태트를 2개의 그릴히터에 다수개 연결하여 고내온도에 따라 그릴히터가 직렬 또는 병렬로 반복되게 연결되도록 하여 과열 발생에 따른 화재 위험을 감소시킬 수 있다.According to the present invention configured as described above, by connecting a plurality of thermostats on / off according to the high internal temperature to the two grill heaters so that the grill heaters are connected in series or in parallel according to the high internal temperature, resulting in overheating It can reduce the risk of fire.

Claims (4)

양측이 서로 연결되어 전원에 의해 고내온도를 상승시키는 제1그릴히터와 제2그릴히터;A first grill heater and a second grill heater which are connected to each other to increase the internal temperature by a power source; 상기 제1그릴히터와 제2그릴히터 사이에 연결되고 고내온도에 따라 온/오프되어 상기 제1그릴히터와 제2그릴히터가 직렬 또는 병렬로 연결되도록 하는 제1서모스태트;A first thermostat connected between the first grill heater and the second grill heater and on / off according to a high internal temperature so that the first grill heater and the second grill heater are connected in series or in parallel; 일측이 상기 전원에 연결되고 타측이 상기 제1그릴히터에 연결되어 고내온도에 따라 온/오프되는 제2서모스태트; 및A second thermostat having one side connected to the power source and the other side connected to the first grill heater, the second thermostat being turned on / off according to a high internal temperature; And 일측이 상기 전원에 연결되고 타측이 상기 제1그릴히터의 상기 제2서모스태트 반대측에 연결되어 고내온도에 따라 온/오프되는 제3서모스태트를 포함하는 전자레인지 그릴히터 구동회로.And a third thermostat connected at one side to the power supply and the other side connected to an opposite side of the second thermostat of the first grill heater to be turned on / off according to a high internal temperature. 제 1 항에 있어서, 상기 제1서모스태트가 온되면 상기 제1서모스태트와 제3서모스태트는 오프되는 것을 특징으로 하는 전자레인지 그릴히터 구동회로.The microwave grill heater driving circuit according to claim 1, wherein the first thermostat and the third thermostat are turned off when the first thermostat is turned on. 제 1 항에 있어서, 상기 제2서모스태트가 오프되면 상기 제1서모스태트와 제3서모스태트는 온되는 것을 특징으로 하는 전자레인지 그릴히터 구동회로.The microwave grill heater driving circuit of claim 1, wherein the first thermostat and the third thermostat are turned on when the second thermostat is turned off. 제 2 항 또는 제 3 항에 있어서, 상기 제1서모스태트와 제3서모스태는 동일 한 고내온도에서 온/오프되는 것을 특징으로 하는 전자레인지 그릴히터 구동회로.4. The microwave grill heater driving circuit according to claim 2 or 3, wherein the first thermostat and the third thermostat are turned on / off at the same high internal temperature.
KR1020060131372A 2006-12-20 2006-12-20 Circuit for driving grill heater of a microwave oven KR20080057742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020060131372A KR20080057742A (en) 2006-12-20 2006-12-20 Circuit for driving grill heater of a microwave oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060131372A KR20080057742A (en) 2006-12-20 2006-12-20 Circuit for driving grill heater of a microwave oven

Publications (1)

Publication Number Publication Date
KR20080057742A true KR20080057742A (en) 2008-06-25

Family

ID=39803487

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060131372A KR20080057742A (en) 2006-12-20 2006-12-20 Circuit for driving grill heater of a microwave oven

Country Status (1)

Country Link
KR (1) KR20080057742A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9784471B2 (en) 2011-11-18 2017-10-10 Korea Institute Of Machinery & Materials Cartridge-type inline heater and system for controlling working fluid temperature using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9784471B2 (en) 2011-11-18 2017-10-10 Korea Institute Of Machinery & Materials Cartridge-type inline heater and system for controlling working fluid temperature using the same

Similar Documents

Publication Publication Date Title
US8138453B2 (en) Electric oven with multiple broil heaters and method for preheating the electric oven
KR100889108B1 (en) Speedcooking oven including a convection/bake mode
CN103784003B (en) Steam cooking control method, steam cooking control system and steam cooking apparatus
ES2862973T3 (en) Cooking appliance device
KR20030074709A (en) Thermal/convection oven including halogen lamps
KR101323325B1 (en) Cooking Device
CN104887104A (en) Oven and heating circuit for same
CN108006714B (en) Electromagnetic oven and heat preservation control method thereof
CN106562683A (en) Cooking method of cooking electric appliance
CN106308471A (en) Cooking method of cooking appliance
KR20160126625A (en) Electric cooker
CN106562685A (en) Cooking method of cooking appliance
KR20080057742A (en) Circuit for driving grill heater of a microwave oven
JP5959369B2 (en) Cooker
JP2005353458A (en) Induction heating cooking device
KR100766440B1 (en) Heater apparatus for microwave oven
JP2007147130A (en) Heating cooker
KR100735697B1 (en) Steam Generator for Steam Oven
EP2848866B1 (en) Baking and/or cooking oven and method for operating a baking and/or cooking oven
KR200327751Y1 (en) Combine structure of heater for convection type micro-wave oven
KR101052157B1 (en) Chillers and electric hops comprising them
KR100963399B1 (en) Cooker and method for controlling the same
JP2009127985A (en) Cooking device
KR100990767B1 (en) ELectric oven and method of controlling the same
KR100533278B1 (en) A heating energy control method of inverter microwave oven

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application